package com.eryos.android.cigarettecounter.database;

/**
 * Project : CigaretteCounter Author : Olivier Combe URL : http://eryos.fr/CigaretteCounter/
 * 
 * Copyright(C)2011 - Olivier Combe
 * 
 * Licensed under the Apache License, Version 2.0(the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 * 
 * @version \$Revision.*\$
 * @author Olivier Combe
 */
public interface PeriodicAdapterInterface {

    /**
     * @return the number of cigarette for the current period.
     */
    int getCount();

    /**
     * @return the cost for the current period.
     */
    double getCost();

    /**
     * @return the average for the current period.
     */
    double getAverage();

}
